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shtirl [24]
3 years ago
12

Can some one do these questions and show work please and thank you

Mathematics
2 answers:
EleoNora [17]3 years ago
8 0

Answer:

9) So basically we have what they all add up to and we have 2 of the sides out of 3 so what we can do is take the perimeter and minus the two sides we do know to get the one we dont know.

Set up:

10x+5y - (3x+4y) - (5x-y)

Remove parenthesees

10x+5y-3x-4y-5x+y

Simplify

2x+2y (ANSWER TO 9)

10) This one is giving us a triangle and we know all 3 sides. Its asking for that the perimeter is which is all of the sides added so we should add them.

Set up:

(3a+4) + (2a-7) + (5a^2 + a)

Group them together so we dont make mistakes

5a^2 + 3a+2a+a + 4-7

Simplify

5a^2 + 6a - 3 (ANSWER TO 10)

<u><em>Let me know if you need any more help !</em></u>

babymother [125]3 years ago
6 0

Answer:

9) 3rd side = 2x+2y

10) 5a^2 + 6a - 3

Step-by-step explanation:

9) 10x+5y - ( 3x+ 4y) = 7x + y

7x + y - ( 5x - y ) = 2x + 2y

10)

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35% of the students at charles drew middle school are 6th graders if there are 84 sixth graders what is the total number of stud
Juliette [100K]

Answer: The total number of student in the school  = 240.

Step-by-step explanation:

Let x be the total number of students in the school.

Given: 35% of the students at Charles drew middle school are 6th graders.

i.e. Number of sixth graders = 35% of x = 0.35x   [35% = 0.35]

Since there are 84 sixth graders in the school,

So  0.35x=84

Divide both sides by 0.35, we get

x=\dfrac{84}{0.35}=\dfrac{84\times100}{35}=240

Hence, the total number of student in the school  = 240.

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3 years ago
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A divergent series is a type of series in which the ratio is too large and the summation is held from one to infinity. Hence, the sum could not be found out. A convergent series, on the other hand, has a definite answer because one could be the ratio is small and the lower and upper limits are defined not equal to infinity either positive or negative. 
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3 years ago
It's 10 3/5 miles from Alsten to Barton and 12 1/2 miles from Barton to Chester. The distance from Alsten to Durbin,via Barton a
Ymorist [56]
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3 years ago
What is the fractional equivalent of the repeating decimal 0.6
Vinil7 [7]

Answer:

This is what I got 6/10

Step-by-step explanation:

hope this helps

4 0
2 years ago
Read 2 more answers
What is the period of the function F(x) = -4sec (1/2 x)
serg [7]

Answer:

A) 4π

Step-by-step explanation:

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